<script setup>
import { useSubCategory } from "./composables/useSubCategory.js";
import GoodItem from "../Home/components/GoodItem.vue";
import { onMounted, ref } from "vue";
import { getSubCategoryAPI } from "@/apis/subCategory";

import { useRoute } from "vue-router";

const { SubCategoryData } = useSubCategory();

const route = useRoute();

const goodsData = ref([]);

const reqData = ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: "publishTime",
});

const getSubCategory = async () => {
  const res = await getSubCategoryAPI(reqData);
  console.log("res", res.result);
  goodsData.value = res.result.items;
};

onMounted(() => {
  getSubCategory();
});

const clicked = (e) => {
  // console.log("Tab clicked:", e.props.name);
  reqData.value.sortField = e.props.name;
  getSubCategory();
};

const disabledLoad = ref(false);

//无限滚动
const count = ref(0);
const load = async () => {
  //返回数据变成新数据拼接老数据

  //得到新数据
  reqData.value.page++;
  const res = await getSubCategoryAPI(reqData.value);

  //拼接新老数据
  goodsData.value = [...goodsData.value, ...res.result.items];

  //如果没有新数据了，加载完毕，停止监听

  if (res.result.items.length == 0) {
    disabledLoad = true;
  }
};
</script>

<template>
  <div class="container">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item
          :to="{ path: '/category/' + SubCategoryData.parentId }"
          >{{ SubCategoryData.parentName }}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ SubCategoryData.name }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container">
      <el-tabs type="card" @tab-click="clicked">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div
        class="body"
        v-infinite-scroll="load"
        :infinite-scroll-disabled="disabledLoad"
      >
        <!-- 商品列表-->
        <GoodItem v-for="goods in goodsData" :key="goods.id" :good="goods" />
      </div>
    </div>
  </div>
</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }
}
</style>